www.freebsddiary.org 如果你安装好了FreeBSD的话,那么应该认识了全屏幕配置界面。在这个界面里你可以排除硬件资源冲突,并且可以设置不同的系统部件,完成后可以保存这些信息然后继续引导处理。简而言之,这一步操作允许你对现有的内核作一些改变。这些改变会被保存到磁盘上。不过,在版本3.1,这些内容不会被保存到正确的位置,在这里我教你怎样改正它。 改变系统引导信息 先参考一下3.1版的errata.txt。以下是使用这些推荐信息的步骤。引导系统后登录,执行: # mv /kernel.config /boot/kernel.conf 把以下命令加入/boot/loader.r: load /kernel load -t userconfig_script /boot/kernel.conf autoboot 5 然后重新引导,这时可以看到一些新的引导信息。系统实际上进入了配置过程,并且执行了各种配置命令,我认为这确实是一个功能很强的工具。 以下是这次引导的dmesg信息,可以看出引导信息已经被修改了。 $ dmesg Copyright (c) 1992-1999 FreeBSD Inc. Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. FreeBSD 3.1-RELEASE #0: Mon Feb 15 11:08:08 GMT 1999 jkh@usw3.freebsd.org:/usr/src/sys/compile/GENERIC Timecounter "i8254" frequency 1193182 Hz CPU: i486DX (486-class CPU) real memory = 8650752 (8448K bytes) config> di zp0 config> di ze0 config> di lnc0 config> di le0 config> di ie0 config> di fe0 config> di ex0 config> di ep0 config> di cs0 config> di wt0 config> di wdc1 config> di scd0 config> di mcd0 config> di matcdc0 config> di bt0 config> di aha0 config> di adv0 config> en ed0 config> po ed0 0x300 config> ir ed0 5 config> iom ed0 0xd8000 config> f ed0 0 config> q avail memory = 5476352 (5348K bytes) PReloaded elf kernel "kernel" at 0xf0340000. Preloaded userconfig_script "/boot/kernel.conf" at 0xf034009c. Probing for devices on the ISA bus: sc0 on isa sc0: VGA color <16 virtual consoles, flags="0x0"> ed0 at 0x300-0x31f irq 5 on isa ed0: address 00:80:29:b1:f2:61, type NE2000 (16 bit) atkbdc0 at 0x60-0x6f on motherboard atkbd0 irq 1 on isa psm0 not found sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa sio0: type 16550A sio1: configured irq 3 not in bitmap of probed irqs 0 sio1 not found at 0x2f8 fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fd0: 1.44MB 3.5in wdc0 at 0x1f0-0x1f7 irq 14 on isa wdc0: unit 0 (wd0): wd0: 407MB (833664 sectors), 1002 cyls, 16 heads, 52 S/T, 512 B/S ppc0 at 0x3bc irq 7 on isa ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode nlpt0: on ppbus 0 nlpt0: Interrupt-driven port ppi0: on ppbus 0 plip0: on ppbus 0 vga0 at 0x3b0-0x3df maddr 0xa0000 msize 131072 on isa npx0 on motherboard npx0: INT 16 interface changing root device to wd0s1a |
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